Several studies (i)_____ the assumption that paper cups, because they were made of natural products, were more environmentally (ii)_____ than cups made of plastic (polystyrene). Indeed, these studies indicated that the environmental (iii)_____ of producing and recycling paper cups were similar to, if not more than, those related to the production, disposal, and recycling of polystyrene cups.
A。corroborated
B。exploited
C。dispelled
D。friendly
E。hazardous
F。predictable
G。benefits
H。costs
I。opportunities
答案给的cdh，我觉得是ceh
许多学生反对纸杯，因为它是用自然产品造的，相比对塑料对环境更有危害。确实，这些学生指出：纸杯的生产和回收产生的环境消耗即使不多于塑料杯，也跟料杯的回收处理循环差不多。
第二空because前后逻辑关系不能拧着啊，我反对你，因为你对环境有益？
是我第二空的逻辑搞晕了么？？？？？作者: JUN97 时间: 2017-5-10 17:53:53
